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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
...unmodifiableMap(new LinkedHashMap<>(realMap)); to keep the iteration order intact (but there may be cases where this doesn't matter). In any case, I'm regularly doing this, and would prefer it over ImmutableMap (particularly if Guava is not already a dependency anyhow). There may be justificat...
Event system in Python
...s
As of June 2020, these are the event-related packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
PyPubSub 4.0.3: Jan 2019
zope.event 4.4: 2018
pyeventdispatcher 0.2.3a0: 2018
b...
How can I connect to a Tor hidden service using cURL in PHP?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Ruby on Rails production log rotation
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In order to use logrotate, should the "config.logger = SyslogLogger.new" line in config/environments/production.rb remain commented out, or should it be uncommented?
– robertwbradford
Jun 1...
MongoDB: Is it possible to make a case-insensitive query?
...ties', { collation: { locale: 'en', strength: 2 } } );
In either case, in order to use the case-insensitive index, you need to specify the same collation in the find operation that was used when creating the index or the collection:
db.cities.find(
{ city: 'new york' }
).collation(
{ locale: 'e...
wildcard * in CSS for classes
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How to store arrays in MySQL?
...the key.". An array does too much. It has multiple facts and it stores the order (which is not related to the relation itself). And the performance is poor (see above).
Imagine that you have a person table and you have a table with phone calls by people. Now you could make each person row have a li...
How to access array elements in a Django template?
... # method call
foo[bar] # list-index lookup
It tries them in this order until it finds a match. So foo.3 will get you your list index because your object isn't a dict with 3 as a key, doesn't have an attribute named 3, and doesn't have a method named 3.
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Android “Only the original thread that created a view hierarchy can touch its views.”
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Thank you, it's really sad to create a thread in order to go back to the UI Thread but only this solution saved my case.
– Pierre Maoui
May 4 '15 at 17:16
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NHibernate ISession Flush: Where and when to use it, and why?
...it()
from ISession.Flush()
The SQL statements are issued in the following order
all entity insertions, in the same order the corresponding objects were saved using ISession.Save()
all entity updates
all collection deletions
all collection element deletions, updates and insertions
all collection in...